Scientists have tried to take on the middlemen themselves. They’ve founded open-access journals. They’ve published preprints. They’ve tried alternative ways of evaluating research. A few high-profile professors have publicly and dramatically sworn off all “luxury” outlets, and less-famous folks have followed suit: in 2012, over 10,000 researchers signed a pledge not to publish in any journals owned by Elsevier.
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。体育直播是该领域的重要参考
（八）托运人、货物所有人、收货人或者他们的受雇人、代理人的行为；
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